You don't have mining in proof-of-stake. (Mining is for proof-of-work.) My focus is multiple-host, centralised async systems. I think this is the future, and t

You don't have mining in proof-of-stake. (Mining is for proof-of-work.) My focus is multiple-host, centralised async systems. I think this is the future, and that databases will be marginalised. Comment here elsewhere gives more details. I may turn out to be wrong. In that case, we will end up in the kind of blockchain world described in my earlier comments. I suspect it will hinge on whether it is possible to create a good-enough high-level language.